Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 170206
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
906 PM CDT Sat Mar 16 2024

Upper Texas coastal waters from High Island to the Matagorda Ship
Channel out 60 nautical miles including Galveston and Matagorda
Bays.

Seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the
average highest 10 percent of the waves.

GMZ300-171515-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
906 PM CDT Sat Mar 16 2024

.Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
including Galveston and Matagorda Bays.

The next upper level disturbance will be moving toward the region
late tonight and Sunday. Mariners should be prepared for some
potentially strong to severe cells, with best chances in the
5am-3pm timeframe for the coastal waters. Strong winds, hail and
isolated waterspouts will be on the table. As this disturbance
passes later in the day, winds to swing around to the northeast
as a front moves into the waters. Winds and seas will increase
Sunday night into Monday with sustained 20 to 25 knot winds
likely with higher gusts in the Gulf waters. Improving marine
conditions are anticipated Tuesday as speeds diminish and veer to
the east. Onshore winds resume and slowly increase Wednesday and
Wednesday night.

$$

GMZ335-171515-
Galveston Bay-
906 PM CDT Sat Mar 16 2024

.REST OF TONIGHT...East winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms. Some thunderstorms may be
severe toward morning.
.SUNDAY...Northeast winds 5 to 10 knots increasing to 10 to 15
knots in the afternoon. Bay waters slightly choppy. Showers and
thunderstorms...some possibly severe.
.SUNDAY NIGHT...Northeast winds around 15 knots, increasing to
around 20 to 25 knots late. Bay waters becoming choppy to rough.
A chance of showers early in the evening.
.MONDAY...Northeast winds 20 to 25 knots, becoming north late.
Bay waters choppy, becoming slightly choppy to choppy late.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters
slightly choppy.
.TUESDAY...Northeast winds around 10 knots, becoming southeast in
the afternoon. Bay waters smooth to slightly choppy, becoming
smooth in the afternoon.
.TUESDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth.
.WEDNESDAY...Southeast winds around 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy. A chance of showers and thunderstorms.
.THURSDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy. Showers and thunderstorms likely.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-171515-
Matagorda Bay-
906 PM CDT Sat Mar 16 2024

.REST OF TONIGHT...East winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms. Some thunderstorms may be
severe late.
.SUNDAY...Northeast winds 10 to 15 knots. Bay waters slightly
choppy. Showers likely with isolated thunderstorms. Some
thunderstorms may be severe.
.SUNDAY NIGHT...Northeast winds around 15 knots, increasing to
20 to 25 knots late. Bay waters becoming choppy to rough. A
chance of showers early in the evening.
.MONDAY...Northeast winds around 20 knots, diminishing to around
15 knots late. Bay waters choppy, becoming slightly choppy to
choppy late.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters
slightly choppy.
.TUESDAY...Northeast winds 10 to 15 knots, becoming east around
10 knots in the afternoon. Bay waters slightly choppy, becoming
smooth in the afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY...Southeast winds around 10 knots, increasing to 10 to
15 knots in the afternoon. Bay waters smooth, becoming slightly
choppy in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy. A chance of showers and thunderstorms.
.THURSDAY...South winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-171515-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
906 PM CDT Sat Mar 16 2024

.REST OF TONIGHT...East winds 10 to 15 knots, diminishing to
around 10 knots late. Seas 3 to 4 feet. Showers and isolated
thunderstorms likely after midnight. Some thunderstorms may be
severe late.
.SUNDAY...Northeast winds around 10 knots. Seas 3 feet. Showers
with isolated thunderstorms. Some thunderstorms may be severe.
.SUNDAY NIGHT...Northeast winds around 15 knots, increasing to
20 to 25 knots after midnight. Seas 3 to 5 feet. A chance of
showers and thunderstorms early in the evening.
.MONDAY...Northeast winds 20 to 25 knots with gusts up to
35 knots, diminishing to around 20 knots late. Seas 4 to 6 feet
with occasional seas up to 7 feet.
.MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 7 feet.
.TUESDAY...Northeast winds 10 to 15 knots, becoming east around
10 knots in the afternoon. Seas 3 to 5 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY...Southeast winds near 10 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. A chance of showers and thunderstorms.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 3 to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-171515-
Waters from Freeport to Matagorda Ship Channel TX from 20 to
60 NM-Waters from High Island to Freeport TX from 20 to 60 NM-
906 PM CDT Sat Mar 16 2024

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.
Showers and isolated thunderstorms likely after midnight. Some
thunderstorms may be severe late.
.SUNDAY...Southeast winds around 10 knots, becoming northeast in
the late morning and afternoon. Seas 3 to 4 feet. Showers and
thunderstorms likely. Some thunderstorms may be severe.
.SUNDAY NIGHT...Northeast winds around 15 knots, increasing to
20 to 25 knots. Seas 3 to 5 feet. A chance of showers and
thunderstorms early in the evening.
.MONDAY...Northeast winds around 30 knots, diminishing to 20 to
25 knots late. Seas 6 to 8 feet with occasional seas up to
10 feet.
.MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 6 to 8 feet
with occasional seas up to 10 feet.
.TUESDAY...Northeast winds 15 to 20 knots, becoming east around
15 knots in the afternoon. Seas 4 to 6 feet with occasional seas
up to 8 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
.WEDNESDAY...Southeast winds around 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
4 feet. A chance of showers and thunderstorms.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Showers and thunderstorms likely, mainly in the morning.
.THURSDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 4 to 5 feet.

Winds and seas higher in and near thunderstorms.

$$


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